increase ph

Hello everyone, I would appreciate some advice regarding a persistent low pH issue in my reef system. I currently have a 150-gallon reef tank that has been running for about five months. The system includes a Reef Octopus Classic 150-S skimmer, a CO₂ scrubber, and a kalkwasser reactor with a...

Has anyone else tried using sodium hydroxide (NaOH) to scrub c02 in their tank via attached to the protein skimmer. Saw another user on here used NaOH in liquid form attached to his protein skimmer. Lots of articles on soda lime increasing PH. Curious if this can be achieved with sodium...